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Abstract #1745

Peritoneal Metastases Evaluation: A Comparison Between FDG-PET/CT and MRI with Correlation Between SUV and ADC

Xue Yu1, Elaine Yuen Phin Lee1, Vincent Lai1

1Diagnostic Radiology, University of Hong Kong, Hong Kong, China

This purpose of the study is to evaluate the diagnostic performance of FDG-PET/CT and DWI with conventional MRI in peritoneal metastases detection and to assess the correlation between SUV and ADC measured by FDG-PET/CT and DWI with conventional MRI, respectively, in peritoneal metastases. The prospective study recruited patients with suspected peritoneal metastases, and the acquired FDG-PET/CT and DWI/MRI images were reviewed independently by two radiologists. Results showed no significant differences between FDG-PET/CT and DWI/MRI in peritoneal metastases detection, and statistically significant inverse correlation was found between SUV and ADC.